UMRÆÐUSTRAUMUR

Umræðusvæði

Skiptu um tungumál efst á vefsíðunni og síið efni eftir tungumáli til að skoða umræðuefni á völdu tungumáli.

Leita að umræðuefnum og athugasemdum Búa til umræðuefni

Results20260621144114503613857

(2S,3S,4S,5R,6R)-6-[(2R,3R,4R,5R,6R)-3-acetamido-2,5-dihydroxy-6-sulfooxyoxan-4-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylic acid Simple spectral-library comparison completed. The library-ranked candidat…

Results discussion 1 23 Jún

Results20260621143752939772023

Oxygenated organic material with unsaturated and possible nitrile/alkyne functionality, resembling plant or wood extractives The main component may be an oxygenated organic material, possibly a natura…

Results discussion 1 23 Jún

Results20260622110253219434335

Nitroaromatic carbonyl compound, likely a nitrobenzaldehyde The main component may be a nitroaromatic carbonyl compound, likely a nitrobenzaldehyde. The observed spectrum shows aromatic C–H stretching…

Results discussion 1 22 Jún

Results20260622110253219434335

nitro-substituted aromatic aldehyde The main component may be a nitro-substituted aromatic aldehyde. The spectrum displays characteristic aldehyde C–H stretching doublet at 2778 and 2841 cm⁻¹, along w…

Results discussion 1 22 Jún

Results20260621145224949884846

nitrobenzaldehyde derivative The main component may be a nitrobenzaldehyde derivative. The spectrum exhibits aromatic C–H stretching at 3088 cm⁻¹ and ring vibrations at 1613 and 1550 cm⁻¹, along with…

Results discussion 1 21 Jún

Results20260614210715434455688

nitro-substituted aromatic aldehyde The main component may be a nitro-substituted aromatic aldehyde. The spectrum exhibits aldehyde C–H stretching absorptions at 2778 and 2841 cm⁻¹, together with stro…

Results discussion 1 21 Jún

Results20260619130335954883121

Sulfate/silicon-based inorganic material, but substantial organic spectral features are inconsistent with the library matches The sample's IR spectrum shows a prominent Si–O stretch near 1015 cm⁻…

Results discussion 1 19 Jún

Results20260617135645201607914

Oxalate salt (carboxylate) The spectrum is dominated by bands characteristic of carboxylate (oxalate‑like) absorptions, indicating a metal oxalate salt as the primary material. Superimposed aliphatic…

Results discussion 1 17 Jún

Results20260614210715434455688

Nitro-aromatic maleimide The spectrum is most consistent with a nitro-substituted aromatic maleimide derivative, specifically 1-(4-nitrophenyl)pyrrole-2,5-dione (library match 1, similarity 0.66). The…

Results discussion 1 16 Jún

Results20260614175033645489307

organosilane with vinyl and methoxy groups The sample's infrared spectrum indicates an organosilane consistent with vinyltrimethoxysilane, as supported by library matching and spectral interpreta…

Results discussion 1 15 Jún
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